虛數部 的英文怎麼說
中文拼音 [xūshǔbù]
虛數部
英文
imaginary part-
High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network
本文從未來ip骨幹網技術所要求的高速化、多業務支持、經濟性出發，介紹了在傳統路由器基礎上將控制部件和轉發部件分離的第三層交換技術，比較了數據驅動模型和控制驅動（拓撲驅動）模型兩種轉發演算法，並由此引出下一代ip骨幹網路技術? ?多協議標記交換，闡述了其工作原理以及在流量工程、服務等級區分和虛擬專用網中的應用。Virtual machining is a very important part in systematized techniques about virtual manufacturing. it requests an immersible 3d virtual machining environment which supplies panoramic, integrated simulation and analysis for the processing of product so as to evaluate the rationality of machining process parameters and the machining quality of product
虛擬加工是虛擬製造技術體系的重要組成部分，它要求有一個具有一定沉浸感的三維可視化虛擬加工環境，並能對產品加工提供全方位的、集成的模擬分析，以對工藝參數的合理性、產品的加工質量等做出評價。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。Using virtual servers, digital signatures on all os components, and a large number of read - only pieces in the os, strongbox is highly resistant to security breaches
通過使用虛擬服務器、所有os組件上的數字簽名以及os中大量的只讀部分， strongbox可以非常有力地防禦安全攻擊。After the briefly present the origin and features of internet protocol version 6 ( ipv6 ), the paper detailedly introduced the conception, characters, security technologies of vpn, and main tunnel protocols used to implement and deploy vpns. after analyzing and comparing these technologies of realizing vpns, we choosed ipsec. then, the paper analyzed in the ipsec structure, function, work mode, and its components such as authentication header ( ah ), encapsulating security payload ( esp ), internet key exchange ( ike ), encryption and authentication algorithms, security association, security policy, and how they cooperate with each other in order to secure ip packages
在簡要介紹ipv6協議的由來和優點之後，詳細闡述了虛擬專用網的概念、特點、安全技術及實現的關鍵隧道協議，通過對實現技術的分析比較，選用了安全性強大的ipsec隧道技術，接著深入研究了ipv6安全協議ipsec的體系結構、操作模式，詳細論述了ipsec協議簇的各個組成部分，如認證報頭ah協議、封裝安全載荷esp協議、密鑰管理ike協議、加密認證演算法、安全聯盟和安全策略等，以及這些組件之間如何協作，來共同實現對網路層ip數據包的安全保護。This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。In version 6, the companion application server toolkit enables customers to define websphere configuration elements, such as datasources and virtual hosts, as a part of the application
在版本6中，伴隨的application server toolkit使用戶可以定義websphere配置元素，比如數據源和虛擬主機，作為應用程序的一部分。Older versions of mfc did something similar to message reflection by providing virtual functions for a few messages, such as messages for owner - drawn list boxes ( wm _ drawitem, and so on )
Mfc舊版本通過為一些消息提供虛函數的機制部分實現了類似的功能，最典型的就是自繪制的列表框（ wm _ drawitem等等） 。Early sunday, thousands of christians throughout iraq went to easter mass and some churches were uncommonly full
周日清晨，伊國各地數千名基督徒參加復活節彌撒，部分教會罕見的座無虛席。In systems with vsam, a named structure consisting of a group of related components, forexample, a data component with its index component
在具有虛擬存儲訪問法（ vsam ）的系統中，由一組相關部件組成的一種命名結構，例如帶有其索引部件的數據部件。The modern robust design detailed the robust design based on engineering model, which explained the specific design process, the whole process from founding system model to solving it. it obtained the optimum combination of parameters and the maximum manufacturing errors, using fuzzy comprehensive judgment to dispose the problem of many targets, handling the design results by fuzzy probability to increase the reliability of the design. in the end, there supplied an example, the optimization design of a long distance hydraulic cylinder to interpret the specific design process, achieving its optimum combination and the maximum manufacturing errors, and verifying the practicability of the design results by the method of fuzzy probability analysis
在第二部分的基於試驗設計的穩健設計中，先對傳統的穩健設計，即三次設計（功能設計、參數設計及容差設計）的設計過程及原理進行了分析，指出了傳統穩健設計法中的不足，即沒有充分利用數字計算機的強大優勢；對于多因素多指標的設計，試驗周期長、計算復雜等造成設計周期長、成本高、效率低等缺點提出了改進的措施，即將虛擬現實技術應用於傳統的穩健設計中，通過模糊數學的方法（模糊綜合評判）來處理設計中的多指標問題，使設計達到事半功倍的效果。The labview has been utilized for building a virtual instrument software to test the ecu internal dynamic dataflow
使用虛擬儀器編程語言labview開發了用於測試ecu內部動態數據流的監測軟體。In order to overcome the difficulty mentioned above, this paper provides an improved heat transfer equation and a mended bem for the problems. first of all, the enthalpy and the " virtual temperature " are introduced into the paper to eliminate several mutative thermophysical properties in the heat transfer equation. secondly, the movement of the boundary between the solid and liquid phases in the billet is educed by virtue of the laplace transform
這些改進包括：引入熱焓和「虛擬溫度」的概念，對非常數的熱物性參數進行整合：充分考慮鑄坯凝固潛熱釋放帶來的影響，利用「溫度回升法」來加以處理；利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解，在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。It ' s well known that the project documentations " storage and management have an very important effect on the development of all kinds of project, and as the information age is coming, network technology has been applied to this procedure gradually. this article mainly introduces the study and realization of a internet - based project documentation storage and management system which application programming frame is built with delphi6. 0 and sql server2000. based on the tcp / ip protocol, the system try to establish a c / s model with connection - oriented, dependable stream sockets and multithread technology to complete some especial data communications by networks, such as the files of project, directory of user, all self - defined commands or messages and their parameters, and so on
本文所研究的《基於internet的項目文檔存儲管理系統》通過delphi6 . 0和visualc + + 6 . 0相結合的開發平臺，結合sqlserver2000 ，將client server模式的數據庫技術和windowssocket網路通信技術進行集成，遵循tcp ip協議，同樣採用c s結構運行於internet ，通過服務器將處于各個不同物理位置的客戶機連接起來，形成一個交流平臺；其中，引入了目前國際上流行的先進的安全管理控制方法? ?角色控制理論對用戶進行權限分配，使擁有相應角色的人具有相應權限；然後系統自動根據組織部門或用戶的設立在服務器端生成相應的網路「虛擬文件櫃」 ，使擁有相應權限的人可以對相應文件櫃中的文檔進行整理；再通過多線程技術和windows套接字通信機制在tcp ip協議上實現了單個文件及目錄的傳輸。In second part, we simply review the essential emerging and developing process of library network reference, conclude the future developing trend of library network reference, that is, digitalization, networked, intelligent, scattered, virtualization, remote, integration, informational, marketable, personalization, socialization and cooperation
第二部分簡單地回顧了圖書館網路信息咨詢產生和發展的基本歷程，總結了圖書館網路信息咨詢未來發展趨勢，即數字化、網路化、智能化、分散化、遠程化、虛擬化、集成化、信息化、商品化、市場化、產業化、個人化、社會化、聯合化等。Since the imaginary parts cancel the result is the sum of the dampings.
由於虛數部分抵消了，故其總和就是總阻尼。Article 26 leading members of local authorities, departments or units who alter statistical data without authorization, or fabricate statistical data, or compel or prompt statistics institutions or statisticians to tamper with or fabricate statistical data shall be given administrative sanctions according to law and criticized in a circulated notice by the statistics institutions of the people ' s governments at or above the county level
第二十六條地方、部門、單位的領導人自行修改統計資料、編造虛假數據或者強令、授意統計機構、統計人員篡改統計資料或者編造虛假數據的，依法給予行政處分，並由縣級以上人民政府統計機構予以通報批評。The implementation of deltafile 3. 0 can be divided into two modules ? real - time file system module and manage module for both facilities and drives. the real - time file system contains four parts ? system call api layer, file node manage layer, virtual file system layer, concrete file system layer, which perform the abstraction of the facility
實時文件系統模塊包含系統調用api層、文件節點管理層、虛擬文件系統層、具體邏輯文件系統層四部分，主要完成與設備無關的數據存取介面抽象和各種文件系統標準的實現;設備與驅動管理模塊包含邏輯設備管理層、物理設備管理層、設備緩沖區高速緩存層、設備驅動管理層四部分，主要完成外部存儲設備管理及其驅動介面抽象功能。4 ) the rest of the parts of hspc are also designed with numerical representation under the virtual manufacturing environment
4 ）在高速攝影機設計領域首次完成了產品零件虛擬設計，得到了攝影機數字化零部件產品。分享友人